In a departure from protocol,Narendra Modi today received US President Barack Obama at the airport here, becoming the second Indian Prime Minister after Manmohan Singh to extend this special gesture to Obama.During his last visit to India in November, 2010, Obama and his wife Michelle were received at the airport by Singh and his wife Gursharan Kaur. The sight of both Obama and Modi hugging each other warmly, was reminiscent of a similar bonhomie enjoyed by the US President with Singh. He had hugged the then Prime Minister and greeted Kaur with a peck on her cheeck. Michelle had repeated the gesture to Singh and Kaur